“cropping systems in medieval Europe”的概念、定义、翻译、参考文献-科学参考

单词	cropping systems in medieval Europe
释义	cropping systems in medieval Europe Encyclopedia 管理学中世纪农业经济史思想史释 cropping systems in medieval Europe中世纪欧洲土地耕作制度中世纪欧洲的封建领主在庄园内通过分配给农奴份地，以条田为最小单位，实行强迫轮作制、休闲耕作制（分为二圃制和三圃制）和敞地制等，对农奴进行压榨和剥削的规则体系。
随便看	aircraft measurement of mass properties aircraft measurement of moment inertia aircraft mechanical actuation mechanism aircraft micro-actuation system aircraft movement area reference code Aircraft NDT（Non-destructive Testing） aircraft noise reduction Aircraft noise tests in wind tunnel aircraft nose aircraft outdoor static infrared radiation signature measurement aircraft outdoor static radar cross section measurement aircraft oxygen breathing system test aircraft part assembly aircraft patrol aircraft performance test of radar absorbing material aircraft physical mock-up aircraft piston engine aircraft pneumatic actuation system aircraft pod structure aircraft poststall control aircraft power distribution system aircraft powered effect test in wind tunnel aircraft powerplant aircraft preliminary system safety assessment aircraft pressure test in wind tunnel

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